Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 513 · 40 questions

How to solve it (P × R × T ÷ 100): Simple interest = P × R × T ÷ 100 (P = principal, R = rate % per year, T = years). Amount = principal + interest. Rate = SI × 100 ÷ (P × T); time = SI × 100 ÷ (P × R).

1. 1.What is the simple interest on ₹7500 at 4% per year for 5 years? (a) ₹9000 (b) ₹300 (c) ₹1500 (d) ₹1800
2. 2.₹6000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹8520 (b) ₹6420 (c) ₹8100 (d) ₹2100
3. 3.₹1000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹1360 (b) ₹270 (c) ₹1270 (d) ₹1090
4. 4.₹6500 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹1950 (b) ₹6890 (c) ₹8450 (d) ₹8840
5. 5.What is the simple interest on ₹1000 at 2% per year for 3 years? (a) ₹1060 (b) ₹20 (c) ₹60 (d) ₹80
6. 6.The simple interest on ₹3000 for 4 years is ₹360. What is the rate per year? (a) 12% (b) 4% (c) 2% (d) 3%
7. 7.What is the simple interest on ₹5500 at 9% per year for 2 years? (a) ₹990 (b) ₹1485 (c) ₹6490 (d) ₹495
8. 8.What is the simple interest on ₹1000 at 2% per year for 2 years? (a) ₹60 (b) ₹20 (c) ₹1040 (d) ₹40
9. 9.The simple interest on ₹7000 for 3 years is ₹1890. What is the rate per year? (a) 8% (b) 10% (c) 27% (d) 9%
10. 10.The simple interest on ₹5000 for 5 years is ₹1000. What is the rate per year? (a) 4% (b) 5% (c) 20% (d) 3%
11. 11.In how many years will ₹2000 earn ₹300 simple interest at 5% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
12. 12.₹2500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹2800 (b) ₹1200 (c) ₹4000 (d) ₹3700
13. 13.The simple interest on ₹2500 for 5 years is ₹1375. What is the rate per year? (a) 55% (b) 11% (c) 12% (d) 10%
14. 14.What is the simple interest on ₹8500 at 10% per year for 5 years? (a) ₹12750 (b) ₹4250 (c) ₹5100 (d) ₹850
15. 15.₹8500 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹10880 (b) ₹9095 (c) ₹1785 (d) ₹10285
16. 16.In how many years will ₹5000 earn ₹900 simple interest at 6% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
17. 17.The simple interest on ₹7000 for 2 years is ₹1260. What is the rate per year? (a) 18% (b) 9% (c) 8% (d) 10%
18. 18.In how many years will ₹1500 earn ₹240 simple interest at 4% per year? (a) 4 years (b) 3 years (c) 5 years (d) 8 years
19. 19.In how many years will ₹1500 earn ₹150 simple interest at 5% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
20. 20.In how many years will ₹6000 earn ₹3600 simple interest at 12% per year? (a) 5 years (b) 6 years (c) 4 years (d) 10 years
21. 21.In how many years will ₹8000 earn ₹320 simple interest at 2% per year? (a) 3 years (b) 2 years (c) 4 years (d) 1 year
22. 22.What is the simple interest on ₹2500 at 2% per year for 4 years? (a) ₹250 (b) ₹2700 (c) ₹200 (d) ₹50
23. 23.In how many years will ₹4000 earn ₹1440 simple interest at 12% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
24. 24.₹1000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹1240 (b) ₹1120 (c) ₹1360 (d) ₹240
25. 25.In how many years will ₹9500 earn ₹1520 simple interest at 8% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
26. 26.In how many years will ₹2500 earn ₹100 simple interest at 2% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
27. 27.What is the simple interest on ₹3500 at 10% per year for 3 years? (a) ₹4550 (b) ₹1400 (c) ₹1050 (d) ₹350
28. 28.In how many years will ₹3500 earn ₹210 simple interest at 3% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
29. 29.What is the simple interest on ₹9000 at 2% per year for 4 years? (a) ₹720 (b) ₹9720 (c) ₹900 (d) ₹180
30. 30.The simple interest on ₹2000 for 5 years is ₹1000. What is the rate per year? (a) 11% (b) 50% (c) 10% (d) 9%
31. 31.The simple interest on ₹6500 for 2 years is ₹1170. What is the rate per year? (a) 9% (b) 8% (c) 10% (d) 18%
32. 32.In how many years will ₹1000 earn ₹440 simple interest at 11% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
33. 33.In how many years will ₹7000 earn ₹1120 simple interest at 4% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
34. 34.The simple interest on ₹2500 for 4 years is ₹300. What is the rate per year? (a) 2% (b) 12% (c) 4% (d) 3%
35. 35.In how many years will ₹1500 earn ₹225 simple interest at 3% per year? (a) 5 years (b) 4 years (c) 6 years (d) 10 years
36. 36.In how many years will ₹1500 earn ₹750 simple interest at 10% per year? (a) 6 years (b) 10 years (c) 4 years (d) 5 years
37. 37.What is the simple interest on ₹3000 at 7% per year for 5 years? (a) ₹1050 (b) ₹1260 (c) ₹4050 (d) ₹210
38. 38.The simple interest on ₹5500 for 2 years is ₹770. What is the rate per year? (a) 7% (b) 6% (c) 8% (d) 14%
39. 39.In how many years will ₹1000 earn ₹400 simple interest at 10% per year? (a) 4 years (b) 5 years (c) 3 years (d) 8 years
40. 40.What is the simple interest on ₹6500 at 9% per year for 3 years? (a) ₹2340 (b) ₹1755 (c) ₹585 (d) ₹8255

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